The Senior Backend Engineer will integrate SAP S/4HANA Finance into PHP backends, manage migration efforts, and ensure data reliability and correctness.
IMPORTANT NOTES:
- English Proficiency: C1 level or above.
- Experience with ERP systems (e.g. SAP): A strong advantage.
Candidates with experience in large, complex enterprise projects are also highly valued.
- Work Location: Open to candidates based in Vietnam and Thailand.
+ Hybrid work from our offices in Bangkok, Da Nang, Ho Chi Minh City.
+ Remote work for candidates based in Ha Noi or Can Tho.
>>> Priority will be given to candidates who best match the role requirements and project needs.
- Hiring Process:
Application > CV Screening > HR Discussion > Technical Interview > PM Interview > Client Interview > Offer
ABOUT US:
At Gradion, we are the strategic partner for ambitious businesses, helping them achieve breakthrough growth through Digital Innovation and Deep Tech.
With a global vision and an AI-first approach, we enable clients to reshape strategies, optimize systems, and adopt cutting-edge technologies to create sustainable value.
From AI and data to cybersecurity, robotics, and large-scale enterprise platforms, Gradion designs practical solutions that lay the foundation for the next generation of billion-dollar companies.
OUR FACTS & FIGURES:
- 23+ years of expertise — Gradion builds digital platforms & deep-tech solutions.
- 3 continents: Asia, Europe and Africa.
- 300+ specialists across 7 countries Vietnam, Singapore, Thailand, Saudi Arabia, Germany, Egypt, Indonesia.
- 100+ enterprise clients, including several unicorns (e.g., Alaiko, HomeToGo, Roadsurfer).
- Vietnam’s Best IT Company – recognized by ITViec for 7 consecutive years, including 2 consecutive years of ranking #1 (2024 and 2025)
- ISO 27001.
ABOUT THE ROLE:
We are looking for a Senior Backend Engineer (PHP) to join a long-term enterprise project, working on large-scale ERP and finance systems.
You don’t need to be an SAP expert — experience working with complex systems, ERP platforms, or large enterprise projects is highly valued. Prior exposure to SAP or similar systems is a strong plus.
What You’ll Do
- Design and implement backend integrations between PHP systems and enterprise platforms (ERP / finance systems such as SAP S/4HANA).
- Migrate and decommission custom finance logic in favor of SAP-standard processes.
- Lead complex, migration-heavy integration initiatives with a high degree of independence and ownership.
- Ensure data correctness, auditability, and resilience (idempotency, retries, observability).
- Collaborate closely with the SAP Product Owner / Technical Project Lead and Staff Engineers, clearly communicating technical decisions and trade-offs in English.
- Document integration patterns and migration decisions for long-term ownership.
What You'll Bring
- Strong senior-level backend experience with PHP in complex, distributed systems.
- Solid experience building system integrations (APIs, async/event-driven patterns).
- Experience integrating ERP or finance systems (SAP is a strong plus).
- Excellent English communication skills, both written and spoken (C1 level or above preferred).
- High level of independence, proactiveness, and ownership in driving integration and migration work.
- Structured, pragmatic, and quality-driven mindset; comfortable with ambiguity and migration work.
Why Join Us
- High-impact SAP S/4HANA transformation with real technical ownership.
- Clear mission, senior autonomy, and complex engineering challenges.
- International, trust-based work environment with flat hierarchies.
Why you’ll love working here?
🏆 Join Vietnam’s Best IT Company – Gradion Vietnam (formerly NFQ Vietnam) was recognized by ITViec for 7 consecutive years, including 2 successive years as the Winner. Work with some of the best minds in the industry and be part of a company that’s redefining how businesses scale through technology.
🌍 Career Growth & Leadership Development – Work closely with our leadership team, gain mentorship from experienced executives, and have direct exposure to high-level strategic decisions. Your growth is limitless, as long as you’re ready to step up, opportunities will always be there for you.
💰 Competitive Compensation – We believe great talent deserves great rewards. Expect an attractive salary, performance-based bonuses, and a benefits package that reflects your impact. We value talent over salary budgets - exceptional contributions deserve exceptional rewards.
✨ And Many More Benefits to Explore! But most importantly, a healthy work-life balance and an environment where you can thrive - professionally and personally. Including:
- A laptop is provided.
- Community Tech activities.
- A fun & dynamic environment and freedom to be creative.
- Modern office with a flexible, relaxing zone.
- Annual Performance Bonus (up to 2-month salary).
- Performance Review 2 times/ year.
- 15 days of annual leave.
- Extra Premium Healthcare & Annual Health Check (for Vietnam-based employees)
- Group Health Insurance, SSO - Social Security Office (for Thailand-based employees)
Working time: Monday – Friday (9 AM - 6 PM)
Location:
- Ho Chi Minh office: Podium Floor, Sapphire 2 tower, 92 Nguyen Huu Canh Street, Thanh My Tay Ward, Ho Chi Minh City, Vietnam.
- Da Nang office: 23rd Floor, G8 Golden Building, 65 Hai Phong, Hai Chau Ward, Da Nang City, Vietnam.
- Bangkok office: 7 Summer Point Building, Level 2, Suite 12, Soi Sukhumvit 69, Phrakhanong Nuea, Wattana Bangkok, Thailand
- Remote Work: Candidates based in Hanoi or Can Tho are welcome to work remotely.
According to General Data Protection Regulation (GDPR), Singapore's Personal Data Protection Act (PDPA), Indonesia's PDP Law 2022, and Vietnam's Decree 13/2023/ND-CP, while also ensuring compliance with other applicable local data protection laws in the jurisdictions where we operate, including but not limited to Vietnam, Thailand, Egypt, Singapore, Germany, and Saudi Arabia, Gradion applies the “Personal Data Protection Policy” to all candidates to ensure compliance with the laws.
By submitting your application to Gradion, you agree to allow us to process your provided information in accordance with the Personal Data Protection Policy that you have carefully read, understood, and agreed to in its entirety at Link.
Top Skills
PHP
Sap S/4Hana Finance
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